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Which of the following is an example of a displacement reaction?

medium Q4 of 15
General Science - Physics (Basics)
Which of the following is an example of a displacement reaction?
A2Mg + O₂ → 2MgO
BH₂SO₄ → SO₃ + H₂O
CCuSO₄ + Zn → ZnSO₄ + Cu
DNaOH + HCl → NaCl + H₂O
Step-by-Step Solution
  1. Step 1: Understand displacement reaction

    Displacement reaction involves one element replacing another in a compound.
  2. Step 2: Analyze options

    Zn displaces Cu from copper sulfate forming zinc sulfate and copper, which is a displacement reaction. Other options are combination, decomposition, or neutralization.
  3. Final Answer:

    CuSO₄ + Zn → ZnSO₄ + Cu → Option C
  4. Quick Check:

    Displacement reaction = element replaces another ✅
Quick Trick: Look for element replacing another in compound.
Common Mistakes:
MISTAKES
  • Confusing displacement with combination or neutralization.
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